发明授权
- 专利标题： Toner, developer, and image forming method
- 专利标题（中）： 调色剂，显影剂和成像方法
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申请号： US12248313申请日： 2008-10-09
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公开(公告)号： US07947419B2公开(公告)日： 2011-05-24
- 发明人: Tsuyoshi Sugimoto , Hiroshi Yamashita , Naohiro Watanabe , Shinichi Wakamatsu
- 申请人： Tsuyoshi Sugimoto , Hiroshi Yamashita , Naohiro Watanabe , Shinichi Wakamatsu
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company Limited
- 当前专利权人： Ricoh Company Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2007-263274 20071009
- 主分类号： G03G9/00
- IPC分类号： G03G9/00
摘要：
A toner including a binder resin including a polyester resin, a colorant, and a release agent including a polyglycerin ester having a melt viscosity of from 1.0 to 40 mPa·sec at 120° C. and a hydroxyl value of from 0 to 100 mgKOH/g is provided. The polyglycerin ester is an ester of a polyglycerin having an average polymerization degree of from 2 to 10 and an aliphatic acid having 16 to 24 carbon atoms in average.
公开/授权文献
- US20090092917A1 TONER, DEVELOPER, AND IMAGE FORMING METHOD 公开/授权日：2009-04-09
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